HomeMy WebLinkAbout5815 Tilden St - Disclosures/Blower Door Test - 11/03/2016BUILDING LEAKAGE TEST
Date of Test: 11/03/2016 Technician: Jay Bundy
Test File: Meritage Blower Door
Customer: Meritage Homes
7400 E Orchard Rd
Greenwood Village, Colorado 80111
Phone
Building Address: 5815 Tilden Street
Fort Collins, Colorado 80528
Test Results
1. Airflow at 50 Pascals: 1015 CFM ( +/- 0.9 %)
(50 Pa = 0.2 w.c.) 1.40 ACH
0.29 CFM per ft2 floor area
2. Leakage Areas: 99.1 in2 ( +/- 10.5 %) Canadian EqLA @ 10 Pa
51.0 in2 ( +/- 16.2 %) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.12 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 69.6 ( +/- 24.8 %)
Exponent (n) = 0.685 ( +/- 0.062 )
Correlation Coefficient = 0.98784
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 78.4 CFM
0.11 ACH
2. Estimated Design Infiltration Rate: Winter: 86.2 CFM
0.12 ACH
Summer: 49.0 CFM
0.07 ACH
3. Recommended Whole Building Mechanical 60.9 CFM
Ventilation Rate: (based on ASHRAE 62.2)
Cost Estimates
1. Estimated Cost of Air Leakage for Heating:
2. Estimated Cost of Air Leakage for Cooling:
BUILDING LEAKAGE TEST Page 2
Date of Test: 11/03/2016 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 65 deg F Heating Fuel: Gas
Outside Temperature: 58 deg F Heating Fuel Cost:
# of Stories 2.0 Heating Efficiency:
Heating Degree Days: 6020
Wind Shield: M Cooling Fuel Cost:
# of Occupants Cooling SEER:
Cooling Degree Days: 287
# of Bedrooms: 3.0
Volume: 43470 ft3 Ventilation Weather Factor: 0.87
Surface Area: 8401 ft2 Energy Climate Factor: 17.0
Floor Area: 3506 ft2
Design Winter Wind Speed: 9.0 mph Design Winter Temp Diff: 69 deg F
Design Summer Wind Speed: 7.0 mph Design Summer Temp Diff: 16 deg F
Comments
BUILDING LEAKAGE TEST Page 3
Date of Test: 11/03/2016 Test File: Meritage Blower Door
Data Points: Data Entered Manually
Nominal
Building
Pressure (Pa)
Fan Pressure
(Pa)
Nominal
Flow
Temperature
Adjusted
Flow % Error
Fan
Configuration
Baseline
Std Dev (Pa)
-2.0 n/a +/- 0.00
-65.0 413.0 1200 1192 0.3 Ring B
-60.0 362.6 1125 1117 -0.5 Ring B
-55.0 315.4 1050 1043 -1.2 Ring B
-50.0 297.5 1020 1013 2.7 Ring B
-45.0 234.7 907 901 -1.5 Ring B